1 changed files with 1 additions and 1 deletions
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@ -12,7 +12,7 @@ MarkupSafe==0.23
 pathtools==0.1.2
 Pygments==2.1.1
 pytz==2015.7
-PyYAML==5.4
+PyYAML==3.11
 recommonmark==0.4.0
 singledispatch==3.4.0.3
 six==1.10.0